Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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binary search

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Problems

#	Name
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees		x148
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees		x201
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x17161
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1488
1952G	Mathematician Takeover binary search, dfs and similar, math		x890
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x36
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x168
1951B	Battle Cows binary search, data structures, greedy	1200	x11197
1949B	Charming Meals binary search, brute force, greedy, sortings		x1516
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8713
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x596
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x6672
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x199
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x321
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2323
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5042
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x7928
1936F	Grand Finale: Circles binary search, geometry	3300	x64
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x398
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2353
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x370
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7173
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x6992
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x5930
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9485
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6298
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13033
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x14998
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x17989
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9739
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x317
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5753
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x392
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x866
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5041
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4195
1915C	Can I Square? binary search, implementation	800	x37014
1913F	Palindromic Problem binary search, data structures, hashing, string suffix structures, strings	2800	x285
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13484
1910H	Sum of Digits of Sums *special problem, binary search, data structures	2400	x77
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x11786
1906D	Spaceship Exploration binary search, geometry	2800	x85
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10420
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12653
1903F	Babysitting 2-sat, binary search, data structures, graphs, trees	2500	x547
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5009
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3616
1902B	Getting Points binary search, brute force, greedy	1100	x13205
1901F	Landscaping binary search, geometry, two pointers	2900	x142
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6075
1900F	Local Deletions binary search, data structures, implementation	2800	x253
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5125
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8529
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x168
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1445
1891D	Suspicious logarithms binary search, brute force, math	1900	x3682
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11135
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x328
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x796
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1557
1887B	Time Travel binary search, graphs, shortest paths	1900	x2652
1886B	Fear of the Dark binary search, geometry, math	1200	x15046
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11580
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4827
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9024
1881G	Anya and the Mysterious String binary search, data structures	2000	x2140
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1083
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x10890
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x115
1876F	Indefinite Clownfish binary search, graphs	3500	x104
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13664
1873E	Building an Aquarium binary search, sortings	1100	x22581
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x11767
1870F	Lazy Numbers binary search, math	2900	x462
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10671
1866L	Lihmuf Balling binary search, brute force, math	2400	x648
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x403
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1494
1866F	Freak Joker Process binary search, data structures, sortings	3100	x112
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2625
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5600
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15911
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19537
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x146
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x15924
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6490
1857F	Sum and Product binary search, data structures, math	1600	x10317
1856C	To Become Max binary search, brute force, data structures, dp	1600	x10947
1854D	Michael and Hotel binary search, interactive, trees	3000	x520
1853B	Fibonaccharsis binary search, brute force, math	1200	x16439
1852A	Ntarsis' Set binary search, math, number theory	1800	x7511
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2898
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x20611
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x626
1849E	Max to the Right of Min binary search, data structures, divide and conquer, dp, dsu, two pointers	2300	x1488
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x9753
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1440
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2504
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13252
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x848

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